Analysis

  • max time kernel
    142s
  • max time network
    96s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/09/2024, 06:45

General

  • Target

    d5cee0b3b0e031ded4023d079344e837_JaffaCakes118.exe

  • Size

    18KB

  • MD5

    d5cee0b3b0e031ded4023d079344e837

  • SHA1

    e634db5fe88b1f594eac05ff43042ff4f6065d56

  • SHA256

    2114ef225ab601983349812e63539a107e1521f9185ba6ef5184eff223232812

  • SHA512

    44c142ecbe2e932dda5db0394cc48180a048c4ea98f5b9f94f4c55d07f7a04b00f5ddb4b7f3f81a9906fb4c695ac9fd5b39dce586dee067e12fe0fbde8a72652

  • SSDEEP

    384:8dpo+gs7BEkAmMXTSy66wi/t7Qga4y3/nzBMPaNJawcudoD7UXh:cZgsdMmM26z7QgEnzPnbcuyD7UX

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Stops running service(s) 4 TTPs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Drops file in Program Files directory 5 IoCs
  • Launches sc.exe 5 IoCs

    Sc.exe is a Windows utlilty to control services on the system.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 29 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Kills process with taskkill 3 IoCs
  • Modifies Internet Explorer settings 1 TTPs 3 IoCs
  • Modifies Internet Explorer start page 1 TTPs 1 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 5 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\d5cee0b3b0e031ded4023d079344e837_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\d5cee0b3b0e031ded4023d079344e837_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4972
    • C:\Windows\SysWOW64\mshta.exe
      "C:\Windows\SysWOW64\mshta.exe" "C:\Program Files (x86)\IBK.hta" {1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}{1E460BD7-F1C3-4B2E-88BF-4E770A288AF5}
      2⤵
      • Adds Run key to start application
      • System Location Discovery: System Language Discovery
      • Modifies Internet Explorer settings
      • Modifies Internet Explorer start page
      PID:2336
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c taskkill /im coiome.exe /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3052
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im coiome.exe /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4892
    • C:\Program Files (x86)\Common Files\sfbsbvy\coiome.exe
      "C:\Program Files (x86)\Common Files\sfbsbvy\coiome.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:1340
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c sc delete JavaServe
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1588
        • C:\Windows\SysWOW64\sc.exe
          sc delete JavaServe
          4⤵
          • Launches sc.exe
          • System Location Discovery: System Language Discovery
          PID:1212
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c taskkill /im iejore.exe /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4564
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill /im iejore.exe /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:4352
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c taskkill /im conime.exe /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3612
        • C:\Windows\SysWOW64\taskkill.exe
          taskkill /im conime.exe /f
          4⤵
          • System Location Discovery: System Language Discovery
          • Kills process with taskkill
          • Suspicious use of AdjustPrivilegeToken
          PID:1868
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c sc stop LYTC
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4948
        • C:\Windows\SysWOW64\sc.exe
          sc stop LYTC
          4⤵
          • Launches sc.exe
          • System Location Discovery: System Language Discovery
          PID:1624
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c attrib -h -s -r -a "%userprofile%\Cookies\*.*"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1548
        • C:\Windows\SysWOW64\attrib.exe
          attrib -h -s -r -a "C:\Users\Admin\Cookies\*.*"
          4⤵
          • System Location Discovery: System Language Discovery
          • Views/modifies file attributes
          PID:800
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c sc delete LYTC
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4792
        • C:\Windows\SysWOW64\sc.exe
          sc delete LYTC
          4⤵
          • Launches sc.exe
          • System Location Discovery: System Language Discovery
          PID:5020
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c attrib -h -s -r -a "%userprofile%\Local Settings\Temp\Cookies\*.*"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4348
        • C:\Windows\SysWOW64\attrib.exe
          attrib -h -s -r -a "C:\Users\Admin\Local Settings\Temp\Cookies\*.*"
          4⤵
          • System Location Discovery: System Language Discovery
          • Views/modifies file attributes
          PID:4968
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c del /f /s /q "%userprofile%\Cookies\*.*
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3016
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c sc stop HidServ
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4132
        • C:\Windows\SysWOW64\sc.exe
          sc stop HidServ
          4⤵
          • Launches sc.exe
          • System Location Discovery: System Language Discovery
          PID:1220
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c del /f /s /q "%userprofile%\Local Settings\Temporary Internet Files\*.*"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3952
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c sc delete HidServ
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2884
        • C:\Windows\SysWOW64\sc.exe
          sc delete HidServ
          4⤵
          • Launches sc.exe
          • System Location Discovery: System Language Discovery
          PID:2640
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c del /f /s /q "%userprofile%\Local Settings\Temp\Cookies\*.*"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:804
      • C:\Windows\SysWOW64\cmd.exe
        cmd /c cacls C:\Documents and Settings\All Users\Application Data\Storm\update\%SESSIONNAME%\*.* /e /p everyone:n
        3⤵
        • System Location Discovery: System Language Discovery
        PID:840
        • C:\Windows\SysWOW64\cacls.exe
          cacls C:\Documents and Settings\All Users\Application Data\Storm\update\Console\*.* /e /p everyone:n
          4⤵
          • System Location Discovery: System Language Discovery
          PID:3372
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c del "C:\Users\Admin\AppData\Local\Temp\d5cee0b3b0e031ded4023d079344e837_JaffaCakes118.exe"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:1964

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Program Files (x86)\Common Files\sfbsbvy\coiome.exe

          Filesize

          2.0MB

          MD5

          b1ab1f5f5d9e161060cde763cf1cda2a

          SHA1

          a9f482ee7a1d9d0b91a3d88c476491d52449bae1

          SHA256

          daabd72fba49ff4f9446e2391c3d2c36fb0787ac2a39a59646bfd7f91536feb1

          SHA512

          c8d9e9716184858091a936b661193f51ed293a6d2427c59869ae83ee41c5be9a2d871b6f19df7d1bbfa2acd89f5af2673aaef616222de91393a75bf6e4a8c90b

        • C:\Program Files (x86)\IBK.hta

          Filesize

          785B

          MD5

          74ccbce1e5800180a01fb299767e310c

          SHA1

          5eee44303a3800e0ac31a103538dccfe4ffa57b2

          SHA256

          7c800551aa79c34f689c2d87e3b24c2bfaca0d2815538650abe445c3cb3a77ec

          SHA512

          581385678a72de017f99b41d565d5acd8b2ffa322e20ae9489803b6043fe6696ccab38c43ae5583afda73cb3f33b4fa33813c543ffb4e34b17394d1ec6fae6c8

        • memory/1340-11-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/1340-13-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/1340-14-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/4972-0-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB

        • memory/4972-6-0x0000000000400000-0x000000000040E000-memory.dmp

          Filesize

          56KB